CVE-2022-49162

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

26/02/2025

Last modified:

15/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: sm712fb: Fix crash in smtcfb_write() When the sm712fb driver writes three bytes to the framebuffer, the driver will crash: BUG: unable to handle page fault for address: ffffc90001ffffff RIP: 0010:smtcfb_write+0x454/0x5b0 Call Trace: vfs_write+0x291/0xd60 ? do_sys_openat2+0x27d/0x350 ? __fget_light+0x54/0x340 ksys_write+0xce/0x190 do_syscall_64+0x43/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae Fix it by removing the open-coded endianness fixup-code.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		4.9.311 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.276 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.238 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.189 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.110 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.33 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.16.19 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.17 (including)	5.17.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-49162

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools